.index-cont2 {
  padding-top: 160px;
  padding-bottom: 150px;
}
.index-cont2 h3 {
  opacity: 0.3;
  transform: scale(0);
  transition: all 0.75s ease;
  padding-bottom: 2em;
}
.index-cont2.active h3 {
  opacity: 1;
  transform: scale(1);
}
.index-cont2.active .webp-group ul li {
  transform: translate3d(0, 0, 0);
  opacity: 1;
}
.index-cont2 .lattice-item1 {
  position: absolute;
  top: 130px;
  left: 17.5%;
}
.index-cont2 .lattice-item2 {
  position: absolute;
  top: 100px;
  right: -260px;
}

.align-c {
  text-align: center;
}

.cont-til50 {
  font-size: var(--f-size-50);
  color: #fff;
  padding-bottom: 1em;
  font-weight: bold;
}

.webp-group {
  position: relative;
  z-index: 20;
}
.webp-group ul {
  position: relative;
  z-index: 25;
  display: flex;
  justify-content: space-between;
}
.webp-group ul li {
  opacity: 0;
  transition: all 0.5s ease-in 0.5s;
}
.webp-group ul li:nth-child(1) {
  transform: translate3d(-100%, 0, 0);
}
.webp-group ul li:nth-child(2) {
  transform: translate3d(-50%, 0, 0);
}
.webp-group ul li:nth-child(3) {
  transform: translate3d(50%, 0, 0);
}
.webp-group ul li:nth-child(4) {
  transform: translate3d(100%, 0, 0);
}
.webp-group ul li .thumb {
  position: relative;
}
.webp-group ul li .thumb-nor {
  opacity: 1;
  transition: opacity 0.275s linear;
}
.webp-group ul li .thumb-hover {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  transition: opacity 0.275s linear;
}
.webp-group ul li:hover .thumb-nor {
  opacity: 0;
}
.webp-group ul li:hover .thumb-hover {
  opacity: 1;
}
.webp-group ul li:hover .lattice-3 {
  opacity: 1;
  transform: translate(-50%, 0) scale(1);
}
.webp-group ul li:hover h4 {
  color: white;
}
.webp-group ul li h4 {
  font-size: var(--f-size-30);
  text-align: center;
  transition: color 0.275s linear;
  position: relative;
  z-index: 100;
  margin-top: -30px;
}
.webp-group ul li .lattice-3 {
  top: 0;
  left: 50%;
  transform: translate(-50%, 0) scale(0);
  z-index: -1;
  opacity: 0;
  transition: all 0.275s linear;
}

.index-cont3 {
  padding-bottom: 85px;
}
.index-cont3 h3 {
  opacity: 0.3;
  transform: scale(0);
  transition: all 0.75s ease;
}
.index-cont3 ul {
  display: flex;
  position: relative;
  z-index: 10;
}
.index-cont3 ul li {
  width: 33.33%;
  box-sizing: border-box;
  opacity: 0;
  padding: 0 18px;
  transition: all 1.25s ease;
}
.index-cont3 ul li .thumb {
  position: relative;
}
.index-cont3 ul li .txt {
  padding-top: 14px;
}
.index-cont3 ul li .name {
  font-size: var(--f-size-60);
  color: #fff;
  font-weight: bold;
  line-height: 1;
  position: absolute;
  bottom: 0;
  left: 14px;
}
.index-cont3 ul li:nth-child(1) {
  transform: translate3d(-60px, 100px, 0);
}
.index-cont3 ul li:nth-child(2) {
  transform: translate3d(0, 120px, 0);
}
.index-cont3 ul li:nth-child(3) {
  transform: translate3d(60px, 100px, 0);
}
.index-cont3.active h3 {
  opacity: 1;
  transform: scale(1);
}
.index-cont3.active ul li {
  opacity: 1;
}
.index-cont3.active ul li:nth-child(1), .index-cont3.active ul li:nth-child(2), .index-cont3.active ul li:nth-child(3) {
  transform: translate3d(0, 0, 0);
}
.index-cont3 .lattice-4 {
  right: 15%;
  top: -25px;
}
.index-cont3 .lattice-5 {
  bottom: 0;
  right: -160px;
}
.index-cont3 .staggering-grid-2 {
  position: absolute;
  top: 0;
  left: -144px;
}

.index-case-item {
  max-width: 2560px;
  display: flex;
  justify-content: flex-end;
  margin: 160px auto 300px auto;
  position: relative;
}
.index-case-item .tilt-mask {
  width: 50%;
  background-color: rgba(255, 255, 255, 0);
  position: absolute;
  z-index: 103;
  top: 0;
  bottom: 0;
  right: 0;
  transform: scale(1.2) translate3d(-100%, 0, 0);
  transition: transform 0.75s linear;
}
.index-case-item .kv-img-group {
  width: 50%;
  position: relative;
  z-index: 10;
  transform-style: preserve-3d;
}
.index-case-item .kv-img-group .inner {
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.75s linear;
  transform: translate3d(100%, 0, 0);
}
.index-case-item .kv-img-group .C_screen {
  width: 24.108%;
  left: 25.89%;
  top: -2.5%;
}
.index-case-item .kv-img-group .C_words {
  width: 111.444%;
  left: 3.4375vw;
  bottom: -10.975%;
}
.index-case-item .kv-img-group .C_person {
  width: 84.99%;
  right: -23%;
  top: -3.5%;
  z-index: 100;
}
.index-case-item .kv-img-group .V_words {
  width: 69.512%;
  left: 4.69%;
  top: -3.475%;
}
.index-case-item .kv-img-group .V_screen {
  width: 64.727%;
  top: 0;
  right: 0;
  z-index: 101;
}
.index-case-item .kv-img-group .V_person {
  width: 124%;
  top: 0;
  left: -15.9%;
  z-index: 100;
}
.index-case-item .kv-img-group .D_screen {
  width: 52.9%;
  top: -22.8%;
  right: 0;
}
.index-case-item .kv-img-group .D_words {
  width: 48%;
  right: 0;
  bottom: -15.975%;
}
.index-case-item .kv-img-group .D_person {
  width: 62.851%;
  left: 0;
  top: -21.86%;
  z-index: 100;
}
.index-case-item .kv-img-group .bg {
  box-shadow: 20px 20px 50px rgba(0, 0, 0, 0.3);
  transform: translateZ(-1px);
  transition: transform 0.25s ease-in;
}
.index-case-item .kv-img-group .abs {
  transform: translateZ(0);
  transition: transform 0.25s ease-in;
}
.index-case-item .kv-img-group.hover .C_screen {
  transform: translateZ(120px);
}
.index-case-item .kv-img-group.hover .C_person {
  transform: translateZ(10px);
}
.index-case-item .kv-img-group.hover .V_screen {
  transform: translateZ(160px);
}
.index-case-item .kv-img-group.hover .V_person {
  transform: translateZ(30px);
}
.index-case-item .kv-img-group.hover .D_screen {
  transform: translateZ(100px);
}
.index-case-item .kv-img-group.hover .D_person {
  transform: translateZ(60px);
}
.index-case-item .kv-img-group.hover .words {
  transform: translateZ(-80px);
}
.index-case-item .kv-img-group.hover .bg {
  transform: translateZ(-180px);
}
.index-case-item .wrap-box {
  position: absolute;
  left: 50%;
  transform: translate(-50%, 0);
  top: 0;
  height: 100%;
  z-index: 101;
  display: flex;
  align-items: center;
}
.index-case-item .wrap-box .inner-content {
  opacity: 0;
  transform: translate3d(-100%, 0, 0);
  transition: all 0.75s linear;
}
.index-case-item .wrap-box .inner-content h3 span {
  display: inline-block;
}
.index-case-item .wrap-box .logo_group-box {
  max-width: 590px;
  margin-top: 35px;
}
.index-case-item .wrap-box .txt {
  max-width: 600px;
  padding-right: 20px;
  padding-bottom: 2em;
}
.index-case-item .mobile-show-box {
  display: none;
}
.index-case-item:nth-child(1) {
  z-index: 40;
}
.index-case-item:nth-child(1) .staggering-grid-1 {
  left: -260px;
  top: 0;
}
.index-case-item:nth-child(1) .lattice-6 {
  bottom: -100px;
  left: 37.275%;
}
.index-case-item:nth-child(2) {
  z-index: 80;
}
.index-case-item:nth-child(2) .staggering-grid-1 {
  right: 27.75%;
  top: -90px;
}
.index-case-item:nth-child(2) .staggering-grid-2 {
  bottom: -200px;
  right: 40.75%;
  z-index: 0;
}
.index-case-item:nth-child(2) .lattice-6 {
  top: 120px;
  right: 4.25%;
}
.index-case-item:nth-child(3) {
  z-index: 100;
}
.index-case-item:nth-child(3) .lattice-6 {
  left: -100px;
  top: 0;
}
.index-case-item:nth-child(3) .staggering-grid-1 {
  bottom: -30.5%;
  left: 26.385%;
}
.index-case-item:nth-child(2n) {
  justify-content: flex-start;
}
.index-case-item:nth-child(2n) .tilt-mask {
  left: 0;
  transform: scale(1.2) translate3d(100%, 0, 0);
}
.index-case-item:nth-child(2n) .kv-img-group .inner {
  transform: translate3d(-100%, 0, 0);
}
.index-case-item:nth-child(2n) .wrap-box {
  width: 100%;
  justify-content: flex-end;
}
.index-case-item:nth-child(2n) .wrap-box .inner-content {
  width: 49%;
  box-sizing: border-box;
  min-width: 600px;
  padding: 0 40px 0 30px;
  transform: translate3d(100%, 0, 0);
}
.index-case-item.active .tilt-mask {
  transform: scale(1.2) translate3d(0, 0, 0);
}
.index-case-item.active .kv-img-group .inner {
  transform: translate3d(0, 0, 0);
}
.index-case-item.active .wrap-box .inner-content {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.abs {
  position: absolute;
}

.more-btn {
  padding: 6px 25px;
  position: relative;
  margin-left: 1px;
  display: inline-block;
  color: #fff;
}
.more-btn .text {
  position: relative;
  z-index: 21;
}
.more-btn .dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: #fff;
  display: inline-block;
  z-index: 10;
  position: absolute;
}
.more-btn .dot:nth-child(2) {
  top: -2px;
  left: -2px;
}
.more-btn .dot:nth-child(3) {
  top: -2px;
  right: -2px;
}
.more-btn .dot:nth-child(4) {
  bottom: -2px;
  right: -2px;
}
.more-btn .dot:nth-child(5) {
  bottom: -2px;
  left: -2px;
}
.more-btn .line-group {
  position: absolute;
  top: -1px;
  right: -1px;
  bottom: -1px;
  left: -1px;
  overflow: hidden;
  z-index: 0;
}
.more-btn .line-group::before {
  content: "";
  position: absolute;
  z-index: -2;
  left: -50%;
  top: -100%;
  width: 200%;
  height: 300%;
  background-color: rgba(255, 255, 255, 0.3);
  background-repeat: no-repeat;
  background-position: 0 0;
  background-image: conic-gradient(transparent, var(--main-color), transparent 30%);
  -webkit-animation: rotate 3s linear infinite;
  animation: rotate 3s linear infinite;
}
.more-btn .line-group::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: 1px;
  top: 1px;
  width: calc(100% - 2px);
  height: calc(100% - 2px);
  background: var(--color-dark);
  border-radius: 0;
}
.more-btn:hover {
  animation: bounceAni 1s var(--bezier-bounce);
}

button.more-btn {
  padding: 8px 25px;
}

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@keyframes bounceAni {
  0% {
    transform: translate3d(0, 0, 0);
  }
  25% {
    transform: translate3d(0, -4px, 0);
  }
  50% {
    transform: translate3d(0, 3px, 0);
  }
  75% {
    transform: translate3d(0, -2px, 0);
  }
  90% {
    transform: translate3d(0, 1px, 0);
  }
  100% {
    transform: translate3d(0, 0, 0);
  }
}
@media screen and (max-width: 1635px) {
  .index-case-item .wrap-box .inner-content h3 span {
    display: inline;
  }
}
@media screen and (max-width: 1440px) {
  .index-cont2 .lattice-item2 {
    right: 0;
  }
  .index-cont3 {
    padding-bottom: 55px;
  }
  .index-case-item {
    margin: 120px auto 220px auto;
  }
  .index-case-item:nth-child(1) .staggering-grid-1 {
    left: -120px;
  }
}
@media screen and (max-width: 1200px) {
  .index-cont3 .staggering-grid-2 {
    left: 10px;
  }
  .index-case-item:nth-child(1) .staggering-grid-1 {
    left: 0;
  }
}
@media screen and (max-width: 768px) {
  .index-cont2 {
    padding-top: 30px;
    padding-bottom: 50px;
  }
  .webp-group ul {
    flex-wrap: wrap;
  }
  .webp-group ul li {
    width: 50%;
    margin-bottom: 8px;
  }
  .webp-group ul li h4 {
    margin-top: -12px;
  }
  .webp-group ul li:hover .lattice-3 {
    opacity: 1;
    transform: translate(-50%, 0) scale(0.5);
  }
  .index-cont3 {
    padding-bottom: 10px;
  }
  .index-cont3 ul li {
    padding: 0 5px;
  }
  .index-cont3 ul li .txt {
    padding-top: 6px;
  }
  .index-cont3 .staggering-grid-2 {
    left: 0;
    transform-origin: left center;
  }
  .index-cont3 .lattice-4 {
    right: 0;
    transform-origin: right top;
  }
  .index-case-box {
    width: 100%;
    overflow: hidden;
  }
  .index-case-item {
    margin-top: 8vw;
    margin-bottom: 16.53vw;
    justify-content: flex-start;
    align-items: flex-end;
    flex-direction: column;
  }
  .index-case-item .wrap-box {
    position: static;
    left: 0;
    transform: translate(0, 0);
    padding-bottom: 8vw;
  }
  .index-case-item .wrap-box .inner-content .more-btn {
    display: none;
  }
  .index-case-item .wrap-box .inner-content h3 span {
    display: inline-block;
  }
  .index-case-item .wrap-box .logo_group-box {
    margin-top: 4.8vw;
  }
  .index-case-item .wrap-box .txt {
    padding-bottom: 0;
  }
  .index-case-item .wrap-box .cont-til50 {
    padding-bottom: 0;
  }
  .index-case-item .tilt-mask {
    display: none;
  }
  .index-case-item .kv-img-group {
    width: 89%;
  }
  .index-case-item .mobile-show-box {
    width: 100%;
    box-sizing: border-box;
    padding-left: 25px;
    padding-top: 24vw;
    display: block;
    text-align: left;
  }
  .index-case-item:nth-child(1) .staggering-grid-1 {
    top: -20px;
    transform-origin: left top;
  }
  .index-case-item:nth-child(1) .lattice-6 {
    bottom: 30px;
    left: auto;
    right: 0;
  }
  .index-case-item:nth-child(1) .mobile-show-box {
    padding-top: 17.35vw;
  }
  .index-case-item:nth-child(2) .staggering-grid-2 {
    bottom: -140px;
    right: 30px;
  }
  .index-case-item:nth-child(2n) {
    align-items: flex-start;
  }
  .index-case-item:nth-child(2n) .wrap-box {
    justify-content: flex-start;
    padding-bottom: 12vw;
  }
  .index-case-item:nth-child(2n) .wrap-box .inner-content {
    width: 100%;
    min-width: auto;
    box-sizing: border-box;
    padding: 0;
  }
  .index-case-item:nth-child(3) .wrap-box {
    padding-bottom: 12vw;
  }
}
@media screen and (max-width: 480px) {
  .webp-group ul li .lattice-3 {
    transform: translate(-50%, 0) scale(0.5);
  }
  .index-cont3 ul {
    flex-wrap: wrap;
  }
  .index-cont3 ul li {
    width: 100%;
    padding: 0 0 15px 0;
  }
  .index-cont3 ul li .thumb {
    height: 45vw;
  }
  .index-cont3 ul li .thumb img {
    height: 100%;
    object-fit: cover;
    object-position: bottom center;
  }
  .index-cont3 ul li .name {
    font-size: 20px;
  }
}